Can carrier having retaining tab with gusset

Claim 1

IN A SLEEVE-TYPE, WRAPAROUND, CARRIER CARTON FOR ENCLOSING A PLURALITY OF CYLINDRICAL ARTICLES EACH HAVING A RECESSED END PRESENTING AN INNER VERTICAL SURFACE, THE COMBINATION OF: (A) OPPOSED PAIRS OF TOP AND BOTTOM END WALLS AND SIDE WALLS HINGEDLY ATTACHED TO FORM A TUBULAR STRUCTURE OPEN AT THE ENDS; (B) A PLURALITY OF CAN RETAINING TABS CUT FROM AT LEAST ONE OF SAID END WALLS AND FOLDED INWARDLY THEREFROM ABOUT A FIRST HINGE LINE INTO APPROXIMATELY PARALLEL RELATION WITH SAID ONE END WALL; (C) EACH OF SAID TABS INCLUDING A GUSSET WHICH SERVES AS AN ADDITIONAL CONNECTION BETWEEN SAID ONE END WALL AND SAID TAB; (D) SAID GUSSET BEING FORMED PARTLY FROM MATERIAL CUT FROM SAID TAB AND PARTLY FROM MATERIAL CUT FROM SAID ONE END WALL; (E) SAID GUSSET BEING HINGEDLY ATTACHED TO SAID ONE END WALL AND SAID TAB BY A PAIR OF SECOND AND THIRD HINGE LINES WHICH LIE ON OPPOSITE SIDES OF SAID FIRST HINGE LINE; (F) SAID GUSSET PROJECTING INTO THE RECESSED END OF AN ARTICLE AND PRESENTING A VERTICAL SIDE EDGE ENGAGEABLE WITH THE INNER VERTICAL SURFACE OF SAID RECESSED END TO PREVENT MOVEMENT OF THE ARTICLE OUT OF THE OPEN END OF SAID TUBULAR STRUCTURE; (G) SAID GUSSET BEING DIVIDED INTO TWO ADJACENT SECTIONS BY A FOURTH HINGE LINE LYING BETWEEN SAID FIRST AND THIRD HINGE LINES.